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    • 34. 发明授权
    • Optical interference apparatus
    • 光干扰装置
    • US07570367B2
    • 2009-08-04
    • US11620142
    • 2007-01-05
    • Mitsuo OhashiYoshitoshi Ito
    • Mitsuo OhashiYoshitoshi Ito
    • G01B9/02G01B11/02G01J3/45G01J5/02
    • G01N21/4795A61B5/0059A61B5/14551
    • A light emission section includes light generators which are operated on the basis of drive signals from a controller so as to emit near infrared interferable light beams having different specific wavelengths to a light interference section. The light interference section includes a beam splitter having a low-reflection region. The beam splitter allows a most portion of the near infrared interferable light beams to propagate toward an object to be examined, and reflects a portion of the near infrared interferable light beams to a movable mirror. The beam splitter causes interference between measurement light reflected by the object and reference light reflected by the movable mirror, and the resultant interference light propagates to a light detection section. The light detection section receives the interference light and calculates predetermined information regarding the object by making use of the quantity distribution of the interference light. A display section displays the calculated information.
    • 发光部分包括基于来自控制器的驱动信号操作以发射具有不同特定波长的近红外可干扰光束到光干涉部分的光发生器。 光干涉部分包括具有低反射区域的分束器。 分束器允许近红外干涉光束的大部分传播到要检查的物体,并将近红外干涉光束的一部分反射到可移动镜。 分束器引起由物体反射的测量光和可移动反射镜反射的参考光之间的干涉,并且所得到的干涉光传播到光检测部分。 光检测部分接收干涉光,并通过利用干涉光的数量分布来计算关于物体的预定信息。 显示部分显示计算的信息。
    • 38. 发明授权
    • Optical computed tomography equipment having image inverting optical
device
    • 具有图像反转光学装置的光学计算机断层摄影设备
    • US5408093A
    • 1995-04-18
    • US204370
    • 1994-03-11
    • Yoshitoshi ItoFumio KawaguchiYuichi YamashitaAtsushi Maki
    • Yoshitoshi ItoFumio KawaguchiYuichi YamashitaAtsushi Maki
    • A61B5/00G02B5/04A61B6/03G02B6/00
    • A61B5/0073
    • Optical computed tomography equipment adapted to speed up the scanning of a subject under test using irradiated light so as to shorten the measuring time involved. The light from a light source (15-1, 15-2) is guided over an optical fiber thread (12-5c) to an image inverting optical system comprising a dovetail prism (13-1) and two lenses (14-2, 14-1). Past the optical system, the light enters one of the threads making up an optical fiber (12-1). As the dovetail prism (13-1) is rotated around its optical axis, the light from the optical fiber thread (12-5c) consecutively enters different threads of the optical fiber (12-1), causing the irradiation position to scan a subject (11) of the test. The incident light, having passed through the subject (11) in various directions, goes through the respective threads of the optical fiber (12-1) to reach the image inverting optical device. From there, the light enters the corresponding threads of an optical fiber (12-4) and is detected by photo detectors (16-2a, 16-2b, etc.).
    • PCT No.PCT / JP93 / 01220 Sec。 371日期:1994年3月11日 102(e)1994年3月11日PCT 1993年8月30日PCT公布。 公开号WO94 / 05209 日期:1994年3月17日。光学计算机断层摄影设备适用于使用照射光加速对受试者的扫描,以缩短测量时间。 来自光源(15-1,15-2)的光被引导到光纤线(12-5c)上,到包括燕尾棱镜(13-1)和两个透镜(14-2)的图像反转光学系统, 14-1)。 通过光学系统,光进入组成光纤的线之一(12-1)。 当燕尾棱镜(13-1)围绕其光轴旋转时,来自光纤线(12-5c)的光连续地进入光纤(12-1)的不同螺纹,使得照射位置扫描对象 (11)的测试。 已经穿过被摄体(11)的各个方向的入射光穿过光纤(12-1)的各个螺纹,到达图像反转光学装置。 从那里,光进入光纤(12-4)的相应螺纹,并由光电检测器(16-2a,16-2b等)检测。